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Author: Tetsuo Kuwamura
Publisher: Springer Nature
ISBN: 981196095X
Category : Science
Languages : en
Pages : 256
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Book Description
This book provides a comprehensive review of hermaphroditism in fishes. It focuses on the behavioral ecology of functional hermaphroditism in fishes and discusses its evolution. Approximately 99% of all vertebrate species consist of separate-sex individuals (gonochorists), i.e., pure males and pure females. The other 1% of vertebrate species are hermaphroditic, and almost all of them are fishes. Among hermaphroditic fishes, four major types of hermaphroditism are known: simultaneous (or synchronous) hermaphroditism, protandry (male-to-female sex change), protogyny (female-to-male sex change), and bidirectional sex change (or reversed sex change in protogynous species). The book examines the occurrence of hermaphroditism in relation to phylogeny and mating systems. It also reviews the hypotheses for the evolution of hermaphroditism, and the size-advantage model, which is the main theory for the evolution of sex change, tested in relation to the mating system. The appendix in the last chapter provides an annotated list of hermaphroditic fish species (ca. 500 spp.).
Author: Tetsuo Kuwamura
Publisher: Springer Nature
ISBN: 981196095X
Category : Science
Languages : en
Pages : 256
Get Book Here
Book Description
This book provides a comprehensive review of hermaphroditism in fishes. It focuses on the behavioral ecology of functional hermaphroditism in fishes and discusses its evolution. Approximately 99% of all vertebrate species consist of separate-sex individuals (gonochorists), i.e., pure males and pure females. The other 1% of vertebrate species are hermaphroditic, and almost all of them are fishes. Among hermaphroditic fishes, four major types of hermaphroditism are known: simultaneous (or synchronous) hermaphroditism, protandry (male-to-female sex change), protogyny (female-to-male sex change), and bidirectional sex change (or reversed sex change in protogynous species). The book examines the occurrence of hermaphroditism in relation to phylogeny and mating systems. It also reviews the hypotheses for the evolution of hermaphroditism, and the size-advantage model, which is the main theory for the evolution of sex change, tested in relation to the mating system. The appendix in the last chapter provides an annotated list of hermaphroditic fish species (ca. 500 spp.).
Author: Malcolm J. Smale
Publisher:
ISBN:
Category : Marine fishes
Languages : en
Pages : 420
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Book Description
Author: INSTAP Academic Press
Publisher: INSTAP Academic Press
ISBN: 1623030218
Category : Social Science
Languages : en
Pages : 343
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Book Description
Mochlos is a Minoan town set on a fine harbor at the eastern side of the Gulf of Mirabello, in northeast Crete. It was first inhabited during the Neolithic period, and it had an important Minoan settlement during most of the Bronze Age. Mochlos I, to be published in three volumes, presents the results of the excavations in the Neopalatial levels of the Artisans' Quarter and the farmhouse at Chalinomouri. The Artisans' Quarter consisted of a series of workshops with evidence for pottery manufacture, metalworking, and weaving. Chalinomouri, a semi-independent farmhouse with strong connections to the nearby island settlement at Mochlos, was engaged in craftwork and food processing as well as agriculture. This volume, Mochlos IC, presents the small finds from the site.
Author:
Publisher: Food & Agriculture Org.
ISBN: 9789250045719
Category : Business & Economics
Languages : en
Pages : 772
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Book Description
This volume of the "FAO Yearbook of Fisheries Statistics--Capture production" presents the annual statistics, for a varying series of recent years ending in 1999, on a world-wide basis, of fish, crustacean, molluscs and other aquatic animals, residues and plants, taken for all purposes (commercial, industrial, recreational and subsistence) by all types and classes of fishing units operating both in inland, fresh and brackish water areas and in inshore, offshore and highseas fishing areas.
Author: Claire Beatrix Paris
Publisher: Frontiers Media SA
ISBN: 2889635015
Category :
Languages : en
Pages : 131
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Book Description
Author: Michael N. Bruton
Publisher: Springer Science & Business Media
ISBN: 9400920652
Category : Science
Languages : en
Pages : 326
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Book Description
Author: Food and Agriculture Organization of the United Nations
Publisher: Food & Agriculture Org.
ISBN: 9789250042695
Category : Reference
Languages : en
Pages : 720
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Book Description
This volume presents statistical data on capture production & foreign trade of fishery commodities for all countries & territories worldwide. Recommended in: Walford's Guide to Reference Material.
Author:
Publisher:
ISBN:
Category : Coral reef fishes
Languages : en
Pages : 134
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Book Description
Author: Mohamed Hichem Kara
Publisher: John Wiley & Sons
ISBN: 1119618150
Category : Nature
Languages : en
Pages : 312
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Book Description
Based on the most recent scientific data, and without neglecting historical publications, Fishes in Lagoons and Estuaries in the Mediterranean 3 comprehensively details Mediterranean lagoonal–marine migratory fish. It provides information regarding their systematics, ecobiology, ethology, genetics and their exploitation. This volume, third in a set of books on Mediterranean ichthyofauna, offers a synthesis of the knowledge acquired from 1890 to the present day for each of the 21 species most frequently found in Mediterranean lagoons and estuaries. These species are detailed across two volumes, 3A and 3B. The scientific data presented in this book concern their lagoon life as much as their marine life, and are therefore of particular interest for both the management of fish stocks and for the conservation of species. Designed to give rapid and comprehensive access to the body of knowledge on Mediterranean lagoonal and estuarine migratory fishes, this volume is for anyone involved in the use, management or protection of natural environments and their populations, including ecobiologists, geographers, engineers, teachers, students and researchers.
Author: Costis Davaras
Publisher: INSTAP Academic Press
ISBN: 1623030544
Category : History
Languages : en
Pages : 373
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Book Description
Excavations carried out at the Late Minoan III settlement and cemetery at Mochlos in eastern Crete yielded domestic artifacts, human remains, grave goods, and ecofactual material from 31 tombs and 11 houses. These objects are cataloged, discussed, and illustrated. Radiocarbon dates for the site are also presented. The cemetery remains mirror the settlement remains, and the conclusions discuss how the two sites reflect each other. Rarely in Crete are a settlement and its cemetery both preserved, and it is extremely fortunate to be able to document both in a series of scientific excavation reports (Mochlos IIA-IIC).
